Answer:
A.

Explanation:
We have been given an image of a triangular pyramid and we are asked to find the volume of our given pyramid.
We will use volume of triangular pyramid formula to solve our given problem.
, where,
A = Area of triangular base,
h = Height of the pyramid.



Upon substituting our given values in volume formula we will get,



Therefore, the volume of our given triangular pyramid is 256 cubic units and option A is the correct choice.